public override void Convert(string src, string dest, out string msg)
{
msg = null;
try
{
if (string.IsNullOrEmpty(src))
{
msg = "源文件不能为空";
return;
}
var contentType = MimeTypes.GetContentType(src);
if (contentType != "application/mspowerpoint")
{
msg = "源文件应为powerpoint文件";
return;
}
if (string.IsNullOrEmpty(dest))
{
msg = "目标路径不能为空";
return;
}
if (!File.Exists(src))
{
msg = "文件不存在";
return;
}
if (IsPasswordProtected(src))
{
msg = "存在密码";
return;
}
app = new Microsoft.Office.Interop.PowerPoint.Application();
presentations = app.Presentations;
presentation = presentations.Open(src.ToString(), Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
presentation.ExportAsFixedFormat(dest.ToString(), Microsoft.Office.Interop.PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF);
// presentation.ExportAsFixedFormat(outputFile, PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF, PowerPoint.PpFixedFormatIntent.ppFixedFormatIntentScreen, MsoTriState.msoFalse, PowerPoint.PpPrintHandoutOrder.ppPrintHandoutVerticalFirst, PowerPoint.PpPrintOutputType.ppPrintOutputSlides, MsoTriState.msoFalse, null, PowerPoint.PpPrintRangeType.ppPrintAll, "", false, false, false, false, false, null);
}
catch (Exception e)
{
release();
throw new ConvertException(e.Message);
}
release();
}
private Boolean ConvertPowerpoint(string path, string newpath)
{
Boolean returnB = true;
Microsoft.Office.Interop.PowerPoint.Application pptApplication = null;
Microsoft.Office.Interop.PowerPoint.Presentation pptPresentation = null;
object unknownType = Type.Missing;
pptApplication = new Microsoft.Office.Interop.PowerPoint.Application();
try
{
pptPresentation = pptApplication.Presentations.Open(path,
Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoTrue,
Microsoft.Office.Core.MsoTriState.msoFalse);
pptPresentation.ExportAsFixedFormat(newpath,
Microsoft.Office.Interop.PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF,
Microsoft.Office.Interop.PowerPoint.PpFixedFormatIntent.ppFixedFormatIntentPrint,
MsoTriState.msoFalse, Microsoft.Office.Interop.PowerPoint.PpPrintHandoutOrder.ppPrintHandoutVerticalFirst,
Microsoft.Office.Interop.PowerPoint.PpPrintOutputType.ppPrintOutputSlides, MsoTriState.msoFalse, null,
Microsoft.Office.Interop.PowerPoint.PpPrintRangeType.ppPrintAll, string.Empty, true, true, true,
true, false, unknownType);
if (pptPresentation == null)
{
MainForm.error = String.Format("Filename {0} - Unexpected error at ConvertPowerpoint \r\n", Path.GetFileName(path));
returnB = false;
}
}
catch (Exception ex)
{
MainForm.error = String.Format("Filename {0} - {1} at ConvertPowerpoint \r\n", Path.GetFileName(path), ex.Message);
returnB = false;
}
pptPresentation.Close();
pptPresentation = null;
pptApplication.Quit();
pptApplication = null;
return(returnB);
}
public bool ExportPptFileToPdf(string workbookPath, string outputPath)
{
Microsoft.Office.Interop.PowerPoint.Presentation pptPresentation = null;
Microsoft.Office.Interop.PowerPoint.Application appWord = new Microsoft.Office.Interop.PowerPoint.Application();
try
{
pptPresentation = appWord.Presentations.Open(workbookPath,
Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoTrue,
Microsoft.Office.Core.MsoTriState.msoFalse);
pptPresentation.ExportAsFixedFormat(outputPath,
Microsoft.Office.Interop.PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF,
Microsoft.Office.Interop.PowerPoint.PpFixedFormatIntent.ppFixedFormatIntentPrint,
MsoTriState.msoFalse, Microsoft.Office.Interop.PowerPoint.PpPrintHandoutOrder.ppPrintHandoutVerticalFirst,
Microsoft.Office.Interop.PowerPoint.PpPrintOutputType.ppPrintOutputSlides, MsoTriState.msoFalse, null,
Microsoft.Office.Interop.PowerPoint.PpPrintRangeType.ppPrintAll, string.Empty, true, true, true,
true, false);
return(true);
}
catch (Exception ex)
{
return(false);
}
finally
{
// Close and release the Document object.
if (pptPresentation != null)
{
pptPresentation.Close();
pptPresentation = null;
}
// Quit PowerPoint and release the ApplicationClass object.
if (appWord != null)
{
appWord.Quit();
appWord = null;
}
}
}
public static bool OfficePPTToPDF(string sourcePath, string targetPath)
{
bool result = false;
Microsoft.Office.Interop.PowerPoint.Application application = new Microsoft.Office.Interop.PowerPoint.Application();
Microsoft.Office.Interop.PowerPoint.Presentation document = null;
try
{
document = application.Presentations.Open(sourcePath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoFalse);
document.ExportAsFixedFormat(targetPath, Microsoft.Office.Interop.PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF);
result = true;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
result = false;
}
finally
{
document.Close();
}
return(result);
}